Fuzzy Grid Encoded Independent Modeling for Class Analogies (FIMCA)

A novel representation of chemical measurements has been devised for which the data are encoded as fuzzy grids instead of the standard convention as a vector. The fuzzy grid encoded data and data in the standard format were evaluated with soft independent modeling for class analogies (SIMCA). The fu...

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Published in:Analytical chemistry (Washington) 2014-05, Vol.86 (10), p.4883-4892
Main Author: de Boves Harrington, Peter
Format: Article
Language:English
Subjects:
Analogies
Analytical chemistry
Classification
Comparative analysis
Correlation analysis
Fuzzy
Fuzzy logic
Fuzzy set theory
Mathematical analysis
Measurement
Vectors (mathematics)
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description A novel representation of chemical measurements has been devised for which the data are encoded as fuzzy grids instead of the standard convention as a vector. The fuzzy grid encoded data and data in the standard format were evaluated with soft independent modeling for class analogies (SIMCA). The fuzzy version of SIMCA is referred to as FIMCA. These two methods were compared with simulated and real data to characterize the advantages of the fuzzy grid encoding. For complex data, the FIMCA approach often achieves better results, and for simpler data sets the similar prediction results are obtained. The benefits of this approach are its simplicity, increase in rank of overdetermined data, and prevention of coincidental correlations with underdetermined data. This paper introduces the use of FIMCA as a method for untargeted (one-class classification) authentication of complex chemical profiles.
doi_str_mv 10.1021/ac5001543
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Analogies
Analytical chemistry
Classification
Comparative analysis
Correlation analysis
Fuzzy
Fuzzy logic
Fuzzy set theory
Mathematical analysis
Measurement
Vectors (mathematics)
title Fuzzy Grid Encoded Independent Modeling for Class Analogies (FIMCA)
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